<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form id="loginform" action="./result.jsp">
</form>
<script type="text/javascript">
var a=0;
alert(a);
console.log(a);
a=1.5;
console.log(a);
var a1=new Array();
a1[0]=1;
a1[1]=2.2;
alert(a1);
<input type="button" value="登录" onlick="loginform">


</script>

</body>
</html>